diff --git a/mods/ENTITIES/mcl_mobs/spawning.lua b/mods/ENTITIES/mcl_mobs/spawning.lua
index 8665911942..72b014b273 100644
--- a/mods/ENTITIES/mcl_mobs/spawning.lua
+++ b/mods/ENTITIES/mcl_mobs/spawning.lua
@@ -546,7 +546,7 @@ if mobs_spawn then
     minetest.register_globalstep(function(dtime)
         timer = timer + dtime
         if timer >= 15 then
-            timer = 0--15--0
+            timer = 0--15
             for _,player in ipairs(minetest.get_connected_players()) do
                 for i = 1,math.random(5) do
 
@@ -602,6 +602,11 @@ if mobs_spawn then
 						goto continue
 					end
 
+					--skip if not in correct biome
+					if not biome_check(mob_def.biomes, gotten_biome) then
+						goto continue
+					end
+
 					--add this so mobs don't spawn inside nodes
 					spawning_position.y = spawning_position.y + 1
 
diff --git a/mods/ENTITIES/mobs_mc/cow+mooshroom.lua b/mods/ENTITIES/mobs_mc/cow+mooshroom.lua
index 656570a83a..48fcc81975 100644
--- a/mods/ENTITIES/mobs_mc/cow+mooshroom.lua
+++ b/mods/ENTITIES/mobs_mc/cow+mooshroom.lua
@@ -176,6 +176,7 @@ mobs_mc.spawn_height.water,
 mobs_mc.spawn_height.overworld_max)
 
 
+
 mobs:spawn_specific(
 "mobs_mc:mooshroom", 
 "overworld",